How far is Houston, TX from Katy, TX?
The driving distance from Houston, TX to Katy, TX is about 28.6 miles (46 km), with a travel time of about 00h 31m by car.
- The straight-line flight distance is about 27.7 miles (44.6 km).
- For a round trip, plan for roughly 01h 02m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 31m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Harris County, Texas, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Fog then Slight Chance Showers And Thunderstorms
Patchy Fog then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Houston and Katy.
Turn-by-Turn Driving Directions
Step-by-step road directions between Houston and Katy.
-
1
Start on Louisiana Street
761 ft · 25 sec · Louisiana Street
-
2
Take the ramp straight toward I 10 West: San Antonio
2149 ft · 52 sec
-
3
Merge slight right onto Katy Freeway
26.5 mi · 32 min · Katy Freeway
-
4
Take the exit slight right toward US 90 West: Katy Mills Boulevard
2779 ft · 1 min
-
5
Turn right onto Highway Boulevard
1 mi · 2 min · Highway Boulevard
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6
Arrive at your destination
0 m · 1 sec · Highway Boulevard
Car Route Details
A richer read on the saved driving route between Houston and Katy.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Katy Freeway
Merge slight right onto Katy Freeway
26.5 mi · 00h 32m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Patchy Fog then Slight Chance Showers And Thunderstorms leaving Houston and Patchy Fog then Slight Chance Showers And Thunderstorms near Katy.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Houston to Katy?
The road trip is about 28.6 miles (46 km) and usually takes 00h 31m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Bunker Hill Village is a useful midpoint, sitting about 14.3 miles from Houston and 14.3 miles from Katy.
How much longer is the road route than the straight-line distance?
The direct path is about 27.7 miles (44.6 km), while the road route adds roughly 0.9 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:28 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.82 one way or $7.63 round trip. Estimated CO2 is about 9 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Fog then Slight Chance Showers And Thunderstorms around Houston and Patchy Fog then Slight Chance Showers And Thunderstorms near Katy.
Stop Ideas Near Bunker Hill Village
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Hermann Square
Houston BCycle: City Hall
Houston City Hall
City of Sugar Land
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Bunker Hill Village.
Houston, TX
Houston
Prairie View, TX
Galveston (Texas Eagle Bus), Texas
Flight Path Map
This map shows the direct air route between Houston and Katy. Straight-line distance: 27.7 mi (44.58 km).
#1 Houston
The fourth most populous city in the United States and the center of the Houston metropolitan area.
| Population | 2,316,120 |
| Coordinates | 29.7632800, -95.3632700 |
| Altitude | 12 |
| Country | United States |
#2 Katy
City in Texas, United States; within the Houston–The Woodlands–Sugar Land metropolitan area
| Population | 23,889 |
| Coordinates | 29.7857900, -95.8244000 |
| Altitude | 42 |
| Country | United States |
End: Highway Boulevard (-95.8244, 29.785777)
Estimated Travel Time
Distance: 46 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 57m |
| 40 mph (64.37 km/h) | 00h 42m |
| 50 mph (80.47 km/h) | 00h 34m |
| 60 mph (96.56 km/h) | 00h 28m |
| 70 mph (112.65 km/h) | 00h 24m |
| 80 mph (129 km/h) | 00h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.78 | $3.82 | $7.63 |
| Mid-grade | $4.25 | $4.29 | $8.59 |
| Premium | $4.59 | $4.64 | $9.27 |
| Diesel | $3.99 | $4.03 | $8.07 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Texas · Apr 24, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.